Iron Monger (Obadiah Stane) is the main antagonist of Iron Man. He is portrayed by Jeff Bridges is based on the Marvel Comics character of the same name by Dennis O'Neil and Luke McDonnell. He was Tony's mentor after the passing away of Tony's dad, Howard. The character secretly seeks control of Stark Industries. It is later revealed that he hired terrorists to assassinate Tony and after the failure to do so seeks control of the arc reactor to create his own super powered exoskeleton suit, which he succeeds in after stealing Tony's technology. Stane is killed in confrontation by Tony in the film's climax.[1][2]
As of 2022, the character has appeared in two films: Iron Man and Spider-Man: Far From Home (archival footage); as well as the Disney+ animated series What If...?, voiced by Kiff VandenHeuvel.